BioStacks
Best for
Ingredients (3)
L-Theanine
100%Dose
200 mg
Target
100–250 mg
Form
Premium
Zembrin Sceletium tortuosum extract
100%Dose
25 mg
Target
8–25 mg
Form
—
Vitamin B6
40%Dose
10 mg
Target
25–100 mg
Form
Budget
Other Ingredients (4)
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Hypoallergenic Plant FiberFiller
Plant-derived cellulose fiber used as a hypoallergenic filler, common in Thorne and Pure Encapsulations products
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
How to Take It
Best taken in the evening
The Theanine in it is what pulls this toward the evening. Vitamin B6 is easier on the stomach taken with food.
With food
On the label
As a dietary supplement‚ take 1 capsule as needed‚ with or between meals‚ or as directed by a health professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.